{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "DNA", "protein", "RNA"], "input": "The Tat protein of human immunodeficiency virus type 1 ( HIV-1 ) is essential for productive infection and is a potential target for antiviral therapy ."}
{"cell type": [], "DNA": [], "protein": ["Tat protein"], "RNA": []}